>>> you're watching cbs 5 eyewitness news on the cw. >>> president obama back in the bay area. how he is appealing to donors tonight in san francisco as his poll numbers show his lead is slipping. >>> the south bay workers most in need of a higher minimum wage. blocking chances at a small raise. >> not really cool, huh? >> gasoline prices calls for a federal investigation. what the experts say is working against our chances for relief at the pump. good everyoning, i'm dana king. >> we start with campaign 2012. president obama just wrapping up a brief bay area fund raising swing. he had already made a million by the time he got there at a small event across town. after that, he headed for a $20,000 a plate dinner party with 100 supporters followed by a concert for 6,000 more featuring musicians, john legend, and michael franty. it was the president who stole the show as he made his pitch for four more years. >> we are here because we have some work to do. we are here because we have an election to win. we are here because everything we fought for in 2008 is on the line in 2012.